/Engine/Source/Runtime/CoreUObject/Public/Serialization/DuplicatedDataWriter.h
Writes duplicated objects to a memory buffer, duplicating referenced inner objects and adding the duplicates to the DuplicatedObjects map.
class FDuplicateDataWriter : public [FArchiveUObject](API\Runtime\CoreUObject\Serialization\FArchiveUObject)
TArray<UObject...
UnserializedObjects